Premium fuel needed????
Posted March 06, 2007 - 03:55 PM
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Posted December 30, 2007 - 07:27 AM
Anyone one else have any actual experience running 87 Octane? Has anyone detected any detonation or preignition running lower grade fuels?
Posted December 30, 2007 - 11:37 AM
I occasionally buy some 100 octane @ about $6/gallon. Mostly when I go trail riding.
Oh yeah it smells awesome
Posted December 30, 2007 - 01:14 PM
Posted December 30, 2007 - 07:01 PM
Don't you get a bit more power out of race gas? I have read that it runs cooler and burns more efficent. Something running cooler and more efficient gives more power right?
Higher octane does not necessarily translate into more power. The octane rating is a measure of how resistant gasoline is to the abnormal combustion phenomenon known as detonation (also known as knocking, pinging, spark knock, and other names). Higher octane is needed the higher your compression ratio. Higher octane in an engine that doesn't need it, actually produces less power. The same is true for an engine that needs it but doesn't get it, but then you get the added bonus of the detonation which can actually damage the cylinder. So, in order to get the most energy out of your bike based on the fuel, you need to determine what is the lowest octane fuel you can use without getting pinging...